show preview of input image javascript react
const React = require('react')
class Upload extends React.Component {
constructor(props){
super(props)
this.state = {
file: null
}
this.handleChange = this.handleChange.bind(this)
}
handleChange(event) {
this.setState({
file: URL.createObjectURL(event.target.files[0])
})
}
render() {
return (
<div>
<input type="file" onChange={this.handleChange}/>
<img src={this.state.file}/>
</div>
);
}
}
module.exports = Upload